398698768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{5791}}^1$

素因数の和:6143

約数の個数: 40

約数和(自身を含む): 834557696

約数和(自身を除く): 435858928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331, 662, 1324, 2648, 4303, 5296, 5791, 8606, 11582, 17212, 23164, 34424, 46328, 68848, 75283, 92656, 150566, 301132, 602264, 1204528, 1916821, 3833642, 7667284, 15334568, 24918673, 30669136, 49837346, 99674692, 199349384, 398698768]

約数ペア:

[(1, 398698768), (2, 199349384), (4, 99674692), (8, 49837346), (13, 30669136), (16, 24918673), (26, 15334568), (52, 7667284), (104, 3833642), (208, 1916821), (331, 1204528), (662, 602264), (1324, 301132), (2648, 150566), (4303, 92656), (5296, 75283), (5791, 68848), (8606, 46328), (11582, 34424), (17212, 23164)]